In this paper, by introducing parameter and using Hadamard inequality and Cauchy inequality, an extension of Hilbert inequality with finite version is established.

The control of the dissolved oxygen concentration in an aerobic reactor is one of the most important and challenging tasks, because of its strong nonlinearities and large uncertain dynamics. In this paper a hybrid algorithm is used to approach this nonlinear dynamic system using feedforward neural network...

This paper puts forward a kind of unmanned aerial vehicle (UAV) control method for longitudinal dynamics. Which includes velocity loop (inner loop) and height loop (outer loop). Multi-model adaptive control is used to control the velocity of UAV in the inner loop. The construction of model set and switching...

PID controller is one of the most widely used in permanent magnet synchronous motor speed control system. Better control effect is to be obtained while applied in the speed-adjusted system for PMSM. To the problem of windup in the PID controller [1], this paper proposes an anti-saturation PID algorithm....

In this paper the idea of stratification is utilized to form a homogeneous-stratified sampling method, which can increase the efficient of power system random fault state evaluation. Applying this method for reliability evaluation only generates a small number of independent random numbers, it decrease...

With the development of geologic mapping and resource evaluation technology, traditional data transmission method, such as mud pulse telemetry and low-frequency electromagnetic telemetry, can’t meet the requirement of large amount of LWD data transmission in downhole. This paper gives a new transmission...

3D Laser Scanning Technology has been extensively studied because it can get large number of the target surface point cloud data quickly. In this paper, we use the terrestrial laser scanner to get the point cloud data of the rock surface, for these point cloud data, we discussed the effect of instrument...

In order to improve aircraft tractor’s ride comfort and traction friendly, this paper takes the MR semi-active suspension as the research object and establishes half body model. Through fitting, this paper obtained the magnetic rheological damper’s damping expression, designed a magnetic rheological...

In order to estimate the heating value of wet multi-plate friction clutch at idle state, the heat-fluid coupling simulation of oil way fluid field is carried out. Taking oil way of clutch as research object, dynamic mesh technique is adopted to implement the dynamic simulation about fluid field in disc...

In this paper,we investigate the generalized Hyers-Ulam-Rassias stability of Jensen functional equation in Felbin’s type fuzzy normed linear spaces .

The purpose of the paper is to design a visual servo robot system to finish some tasks with a better effect instead of workers. This system is designed with closed-loop control based on image feature, and it is more accurate than the control based on position. The system consists of two parts, including...

In this paper, an improved and regularized algorithm is proposed to solve the sparse recovery problem in “fully-perturbed” model, which means perturbations present both in measurements and dictionary matrix. The paper shows how the regularized algorithm is derived based on TLS (total least-squares) and...

This paper introduces a kind of field test system of appraisal driver application in GPS technology inspection. Through two sets of GPS devices installed on the driver test vehicle and difference base station established on the ground, the contour coordinates of outside the vehicle movement state are...

Simulation and experimental study of asymmetrical quenching processes were carried out on 7075 Al alloy thick plates. Effects of heat transfer coefficient ratios, thicknesses, and widths on warping deformation by asymmetrical quenching were simulated, and an increasing heat transfer coefficient ratios...

Recently, the CO2 sensor is used in various fields like industry, agriculture, firefighting, air quality system, and so on. The contact type CO2 sensors have been used extensively because of a very low energy consumption and small size. However, they have a negative side such as short lifetime and poor...

The test method for C1 tire wet grip performance based on European ECE R117 is analyzed, combined with the characteristics of China domestic proving ground, the test and evaluation process and test ability for C1 tire wet grip performance has already been established, which has great reference significance...

To avoid small sample problem in pattern recognition, the paper uses KMMC (Kernel maximum between-class margin criterion method) as the basic extraction method for face recognition, which is based on the maximum difference of between-class scatter and within-class scatter in feature space. The objective...

A wavelet threshold denoising method is proposed. The new threshold functions in the method overcome not only the constant deviation between the estimated wavelet coefficients and the decomposition wavelet coefficients in the soft threshold function, but also the discontinuance of the hard threshold...

The paper makes a kinematics and dynamics analysis of thruster vectored Autonomous Underwater Vehicle based on the structure and principle of vector thruster; and then makes a mathematical model of this thrust vectoring Autonomous Underwater Vehicle based on the classical Momentum and angular momentum...

The research about internal flowpath optimization of wet friction clutch has significant effect on the reduce of heat generating. Taking the diameter and position of nozzle as design parameters, the maximum and minimum lubricant pressure as constraint conditions, and the RMS of lubricant pressure applied...

Phase angle and amplitude of a phasor can be provided by method of least squares error (LSE). LSE adopted iteratively is able to track the frequency and amplitude of power system in steady states and in kinds of non-steady ones. Iterative LSE with resampling is analyzed in conditions of off-nominal input,...

Most of coal and gas outburst accidents in China are caused directly by human misconduct in specific circumstances, lose efficacy of gas monitoring system and storage condition changes of the coal bed. In this paper, investigation was done on each component reliability of the Man-Machine-Environment(MME)...

For network cascade control system with double-sampling rate, the paper proposes a new comprehensive scheduling strategy. In the comprehensive scheduling strategy, the variable sampling period algorithm is used in inner-loop and the forecast values are calculated by the cubic exponential differential...

With the rapid developing of cloud computing and big data technology, enterprises have accumulated vast amounts of data and all of them have got more effective treatment, so companies get greater value of market. This issue analyzed the data China Post has and proposed an architecture of China Post’s...

The stepping actuator is a device used to control the choke opening in the subsea production. The performance of the control system is directly related to the subsea production schedule and safety. In this paper, the working principle of underwater stepping actuators is studied. Moreover, the response...

We design a new data acquisition device based on STM32 for Inertial navigation system. The data acquisition device has the character of simple structure, low power consumption, miniaturization. And the experiments show that this data acquisition device has the function of the A/D conversion and kalman...

An double SW-ARQ system model has been established for wireless communication in this paper. We analyzed the packet average delay for the system by an alternative method of retransmission, and recognize the packet’s number in the buffer at receiver as the initial state of the system, the final state...

This paper take the four-link combination boom portal crane which typed MQ2533 of Weihua Group for study, According to the structural characteristics of boom system in the premise of reasonable and simplified model, it utilize the ANSYS software to build a four-bar linkage FEM model and does modal analysis,...

Geared rotary actuators in the leading edge flaps of an aircraft are usually composed of compound planetary gear sets with high reduction ratio. A new method using hypergraph in the power flow analysis of compound planetary gear sets in geared rotary actuator is proposed. The equation establishment method...

As it is scant for the linear power amplifier and the two-level switching power amplifier, the principle is analyzed for the three-level power amplifier. It is proposed for the power amplifier for magnetic bearings based on the three-level PWM modulation technique. The circuit is designed for the implementation...

Image segmentation and feature extraction are the premise for machine vision system to analyze and identify the image. Threshold image segmentation algorithm according to the method of two dimension threshold has a lot of calculation in calculating the threshold, and the minimum error threshold method...

As a development direction of power grid, Smart grid has entered the stage of comprehensive construction, the detection and management of the intelligent substation's integrated parameter has become an increasingly prominent. The traditional manual inspection can't meet the requirements of modern intelligent...

Numerical method for reliability sensitivity design is presented based on fourth moment technique, and the reliability sensitivity of the capstan in track-laying vehicle with non-normal random parameters is extensively discussed. The variation regularities of reliability sensitivity are obtained and...

As the large cross-border infrastructure connecting the Mainland, Hong Kong, Macao and Taiwan, the Hong Kong-Zhuhai-Macao Bridge (HZMB) displays some distinctive features and unique requirements for the different systems and management mode. Based on the analysis of the cross-border traffic control organization...

Since real load characteristics are time-varying all along, load model parameters built on some historical data are only valid within limited scenarios. A real-time dynamic load model parameter selection method based on multiple linear regression (MLR) is proposed to find the load model parameters that...

In this investigation, we present an alternative technique to characterize the vibration signals by utilizing the morphological pattern spectrum (MPS) based on the mathematical morphology theory. Different from the conventional morphological pattern spectrum which is based on morphological open operator,...

An introduction is given about the current initial orbit determination mode for tracking ships. The paper proposes a method to improve the current orbit estimation mode by integrating the radar tracking measurements and onboard navigation data. The measurement and system model for the method is given,...

Energy resources optimal allocation of wide area market mechanism in our country is still not perfect at present, part of management policy restricts the marketization organizing and conducting about trans-regional and trans-provincial of electricity trade, which was unable to adapt to the wide area...

As the research object to high-tech services, the paper through the integration and analysis of the input-output table finds that the spread effects of high-tech services is less than the manufacturing and infrastructure at present stage,and the growth of production of high-tech services is mainly associated...

This essay made study of gyroscope rolling-rotor system. The composite stiffness under the state of elasto-hydrodynamic lubrication and nonlinear contact force considered the effects of minimum oil film thickness were calculated. A dynamic equation was established considered the calculated stiffness...

With the development of web 2.0 technology, knowledge sharing via E-Learning 2.0 has become important in enterprise. Evaluation of knowledge sharing as a reference of knowledge management can effectively reflect the company's business objectives and strategies. This paper proposes the evaluation method...

To test standing wave of the tire, constructed the simulation model by ABAQUS software for radial tire running rapidly on the automotive chassis dynamometers, meanwhile assembled the automotive chassis dynamometers, high-speed camera and actual radial tire together. The experiment indicated that the...

Basing on the research of the basic principle of the space vector pulse width modulation (SVPWM) control method and the DC side voltage control ,the simulation is made ,the simulation results show that the effect of the compensation current control based on SVPWM method and DC voltage control based the...

DEA method is widely accepted in evaluation of financial efficiency. While the efficiency issues with uncertain data can not be solved easilily. In this paper a fuzzy non-radial data envelopment model is proposed to deal with the aforementioned issues. An empirical study of commercial banks in China...

The paper introduces the process of designing an efficient flyback switching power supply on basis of LM5021 chip. It describes the process as the following 3 steps:1) designing a current-limiting circuit; 2) calculating the parameters of the transformer for the switching power supply and designing a...

By proposing conceptual model of power supply company management model, on this basis, paper summed up the internal and external risks of power supply company, and summed up the relationship between risk, after that the use of explaining the structural model, to tease out the risk system architecture...

The current tracking control is the important part of APF (Active Power Filter) system. Since APF compensation current contain high harmonic components, the traditional Tustin discretization method distort the current in high frequency, which makes the resonant frequency of the PR controller shifted...

In this paper, with the intelligent scraper as the research object, studies the application of integrated position navigation algorithm ofintelligent scraper by Calman filtering technology, and to achieve the optimal combination of positioning and navigation information fusion, pressing the data of dead...

Effect of different shale gas components on jet diffusion flame were studied using mathematical method in this paper. Changes of OH free radical in jet diffusion flame of two different shale gas components were researched, and the impacts of shale gas composition changes on mass fraction of methane,...

The unidirectional convergence condition and unidirectional convergence domain problems for nonlinear system are studied. Firstly, linear dynamic closed-loop equation is obtained by designing linear switching function and corresponding control law. Secondly, the reaching position of the system is calculated...

An improved ADRC controller is designed for the crane system. Firstly, the extended state observer (ESO) is used to observe the total system disturbance consisting of the system’s dynamic perturbation, the system model variations and outside disturbance such as the wind effect. Secondly, to eliminate...

Adding aluminum fluoride to electrolyte, is the most important to regulate electrolyte molecule ratio and the electrolysis temperature in aluminum electrolysis, which directly influences the current efficiency and energy consumption. This paper presents a decision model to decide the amount of AlF3 addition...

Handwriting signature is an important approach for biometric personal identification. In this paper, a new method is provided to extract signature characteristic through wavelet transform. At first, a series of 4th order B-spline wavelet is constructed on the basis of B-spline function. After applying...

Component extraction is wide used in biomedical signal processing. Traditional independent component analysis (ICA) techniques aim to estimate all underling components from their mixtures simultaneously. To overcome the drawbacks, a constrained separation approach is presented for extraction of one or...

Virtual machine technology is widely used in cloud computing. This paper put forward a benefit model aimed at optimal allocation of virtual machines of cloud data center. Differentiate service levels according to the service response time, calculate profit and fines according to the satisfaction conditions...

In this paper, a model of translation gateway is proposed. By adopting the Microsoft intermediate driver technology, it can easily realize the communications between IPv4 network and IPv6 network.

Evolutionary algorithm in risk minimization and the expected return maximization of bi-objective for portfolio optimization applications has received widespread attention. Although the problem is a quadratic programming (QP) problem, the practical investment problems tend to make variables discontinuous...

An in situ reduction method has been used to synthesize NiO-Sm0.2Ce0.8O1.9 (NiO-SDC) nanocomposites for SOFC anodes. The effect of NiO content on the crystalline phase, crystallite size, and average particle size is investigated. The anode-supported solid oxide fuel cells have been fabricated from the...

Proper classification of spikes from extracellular recordings is essential for the study of neuronal behavior. A lot of algorithms have been presented in the technical literature. Combining with subtractive clustering and fuzzy c-means, we present a new algorithm named improved fuzzy c-means. Compared...

In order to achieve the goals that asynchronous motor operates energy –savingly and economically by lowering the operating voltage when the light load or no-load running, this paper starts from the T simplified model of asynchronous motor, and analyzes the energy consumption in detail, then uses the...

This paper mainly discussed a multi-degree-of-freedom, multi-servo-control methods in walking process of a bipedal robot, 4-way multi-infrared tracking and other related content. A robot designed according to the relevant principles can automatic tracking, collect the signal through the transmitting...

Simulation system plays an important role in the production process control and product optimization of multi-model H-beam hot rolling process. In this paper, an automatic modeling module was developed based on the customized application development method provided by ABAQUS, and the rolling process...

Electromagnetic interference is now a hot research topic, in order to ensure reliable operation of the system, you must suppress EMI device from generating sources of electromagnetic interference suppression is more effective EMI suppression methods, through the use of double-pulse modulation, can effectively...

For the existing problems of security risks when the amplitude of auxiliary shaft hoist vibration is too large, we use the vibration sensors to collect the vibration signals of auxiliary shaft hoist and display it in the monitoring software MCGS, then research on the vibration risk predictive control...

In this paper, the equilibrium issue exists in the single carrier mobile digital TV signal processing is discussed first, and in order to improve the balance performance, how to make equalizer switch automatically between blind equalization algorithm and decision oriented algorithm is researched. Otherwise...

A sharp edged biopsy needle is often used to cut and remove the expected tissue specimen to identify and diagnose cancer and other diseases. However, the traditional way to design and systematicness. The efficience of designing and optimizing of biopsy needle can be improved by selecting appropriate...

Tunneling problems of the topic-multiplicity of a web page makes the relevance of the highly relevant page to be weakened. In this paper, we proposed a novel relevance prediction for focused crawling to solve gray tunneling. Our approach is based on calculating the relevancy score of web page based on...

Logistics information management system involves logistics, industry, commerce, and government department. The emergence of the Internet of Things(IOT) efficiently supports the construction of the logistics management system. Service-oriented paradigm is a suitable paradigm for IOT model. This paper...

This paper presents an approach, called DSECA, for modeling and implementing the architecture of dynamic situation applications for wireless sensor networks using an active rule-based model. The DSECA unites two of the application’s aspects, namely the content aspect, and the process aspect, and provides...

Aiming to solve the problem that DC torque motors is not steady to run at low speed in the control system of opto-electrionic tracking, sliding mode variable structure is applied to the low-speed servo system to improve stability of the system. At first the traditional design method of position, velocity...

Because of wind turbines institutional complexity, many operating parameters, fuzziness,randomness and uncertainty between the cause of the fault and the fault symptom, so direct application of BP neural network for fault diagnosis can lead to the issues of slow convergence of neural network and long...

In modern air combat, it is very important for the aircraft to detect the coming missile and avoid. In traditional flight conflict detection method, more attentions are paid on plane to plane. In this occasion, the plane is flying according to the planed routes. But for the missile, once the missile...

According to the properties of water and steam, The evaporating surface of supercritical once-through boiler is divided into a cold-water section, a density-change section and a overheat- steam section for both supercritical and subcritical pressures. A lumped-parameter mathematical model was build up...

In cities, there are a large number of bus routes and stations. Bus information management system is a public system that people often use, and the route query is one of the key technologies. This paper mainly discusses a transfer algorithm based on set theory, and the design process of the algorithm...

In Tianjin Agriculture University agricultural student achievement is generally higher than that of engineering student’s because of the difference of different professions, i.e. agricultural course are much easier to master relative to engineering courses and that lead to unfair assessment and appraisal...

10 kv distribution network directly related to the user, the reliable power supply capacity and quality of power supply is not only the direct embodiment of the electric power enterprise economic benefits, and affect the safe and stable operation of the power grid. Electrical fault characteristics generally...

Any heat transfer only exists in three ways : heat conduction, convection and radiation. Existing toughened glass process with electric heating wire, heat transfer is given priority to convection. If the infrared heating technology is used for toughening glass production, the way of heat transfer is...

Currently, our country power-stolen phenomenon still stands out in a certain scope. Power theft not only results in enormous economic loss to the power industry, but also poses a threat on the safety and reliability of the system power supply, leading to high line loss.suggestions of power supply enterprise....

Based on a detailed analysis and research of power system load power consumption demand model, on the basis of through offline and online status of demand planning, design a kind of optimal power grid scheduling policy. The scheme can minimize a cycle of the grid operating costs, then strengthen the...

In this paper, we present a mixed covolume method for the initial-boundary value problem of the pseudo-parabolic integro-differential equation. This method uses the lowest order Raviart-Thomas mixed element space on triangles as the trial space. The convergence analysis shows that this method yields...

Simulation is one of the common technologies to study the Vehicular Ad Hoc Networks (VANET), and different simulation models obtain the different simulation results. Aimed at this situation, this paper compares and analyzes the Krauss model and RDM model, and constructs the simulation system based on...

Energy is devoted to building an operating equipment scheduling system based on multi-rule constraints as well as to describing system structure and functions of every model. Then it describes all the factors which impact the usage of operating equipment, and also abstracts from the factors to constraint...

Anti-aircraft gun fire control networking can improve the whole battle efficiency of anti-aircraft gun fire system. Aiming at the data processing need of fire control network, a gun fire control network track fusion system is designed. The system is realized by C programming language, which can be applied...

In order to accurately predict the chaotic time series, a novel approach based on integration of wavelet transform and Relevant Vector Machine (RVM) is proposed. The best wavelet decomposition level is determined with the condition that a certain function space orthogonal projection energy in wavelet...

The research alliance is an emerging technology innovation model, it will contributes to reduce its internal information stickiness play value and improve the efficiency of the research alliance. The paper analyses research alliance operation mode, summed up the research alliance within the research...

This paper is concerned with oscillatory behavior of an advanced 2-D discrete system. Some necessary and sufficient conditions for the oscillation of all solutions of the advanced 2-D discrete system are established. Numerical examples are provided to demonstrate the main results of this paper.

The motor working in super-synchronous speed need the frequency converter with frequency power supply, but the high fee of the converter lead poor engineering economy. Design a simple and reliable method to make sure the motor could work in twice of original speed. The frequency multiplication power...

As E-Learning is widely used as a training method in enterprises, it is obviously essential to evaluate effectiveness of the E-Learning system. Although the current research mainly focus on the quality which is related with the system, two dimensions of personalization and organization culture are neglected,...

This paper proposes a novel design method of parallel Finite Impulse Response (FIR) filter, which structure is parallel transposed. It can increase the running speed by M times compared with the serial FIR filter, where the M is the number of sub-filters, and the parallel FIR filter only introduces very...

In view of the white LED problems being medium and high color temperature, the poor CRI of warm color temperature, and single control on the market, a plan is given based on ZigBee wireless communication technology of the LED color temperature and brightness independent control system. Through the wireless...

Photospheric velocity field is an important parameter in studying solar eruptions. This parameter can be deduced by three kinds of optical flow techniques, i.e., LCT [1], DAVE and DAVE4VM [2]. By using an example of active region (AR) NOAA 12017, we have compared the distribution of the velocity field...

In this paper, the working principle and composition of close-range photogrammetry measuring systems are introduced and the general key technique in picking up measurement points and calibrating the camera are analyzed. The close-range photogrammetry measuring systems are compared with other major performance...

Human activity recognition via triaxial accelerometers can provide valuable information to evaluate functional abilities. In this paper, we present an accelerometer sensor-based approach for human activity recognition. Our proposed recognition method uses a model of Activity Energy Expenditure to recognize...

In the active support control system, the sampling accuracy of force sensor directly affect the force control precision of the system, the surface of the primary mirror, and then affect the imaging quality of the optical system. Based on the Kalman filtering, this document introduces the force sensor...

With the continuous development of smart grid scale, smart grid would be realized in the power system and it has increasingly demands for processor resources and storage resources of the power system. Proposed smart cloud of power system which could make use of the existing intelligent processors and...

Based on the ECG monitoring instrument and ECG signal research, design a series of ARM chip based on STM32 as the core of the portable home ECG detection equipment. The device with three electrodes of ECG signal acquisition, due to weak signal acquisition processor cannot directly handle the ECG acquisition...

This paper firstly introduces the development of network and informatization, which has brought rapid development to enterprise at the same time also brought information security risk to it. Then combined the enterprise's features, provides a general method of design a security network for manufacturing...

In this paper, we present a controller design on mini aircraft with four rotors from its theory to implementation. The dynamic model is gained by means of Large-scale transformation Algorithm of Quaternion to Euler Angle. We apply Cortex-M4 inner core microcomputer as a processor; get angle information...

Low Impact Docking System is an active control docking system with functions of docking and berthing, which represents the development direction of the next generation of space docking mechanism. In this paper, the system composition and operating principle of LIDS were introduced and the basic functions...

Based on a Dynamic Nominal Mechanism adding to the rootless redundant robots, the dynamic modeling for can be established. The DNM is an idealized dynamic chain whose base is fixed at a point on earth, which makes the rootless redundant robots convert into the open chain multi-body system with fixed...